1f4b3ec61Sdh /*
2f4b3ec61Sdh  * Copyright (C) 1993-2001, 2003 by Darren Reed.
3f4b3ec61Sdh  *
4f4b3ec61Sdh  * See the IPFILTER.LICENCE file for details on licencing.
5f4b3ec61Sdh  *
6d6c23f6fSyx  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
7f4b3ec61Sdh  * Use is subject to license terms.
8f4b3ec61Sdh  */
9f4b3ec61Sdh 
10f4b3ec61Sdh #ifndef	__IPF_STACK_H__
11f4b3ec61Sdh #define	__IPF_STACK_H__
12f4b3ec61Sdh 
13f4b3ec61Sdh /* FIXME: appears needed for ip_proxy.h - tcpseq */
14f4b3ec61Sdh #include <net/route.h>
15f4b3ec61Sdh #include <netinet/in.h>
16f4b3ec61Sdh #include <netinet/in_systm.h>
17f4b3ec61Sdh #include <netinet/ip.h>
18f4b3ec61Sdh #include <netinet/ip_var.h>
19f4b3ec61Sdh #include <netinet/tcp.h>
20f4b3ec61Sdh #include <netinet/udp.h>
21f4b3ec61Sdh #include <netinet/ip_icmp.h>
22f4b3ec61Sdh #include <netinet/tcpip.h>
23f4b3ec61Sdh 
24f4b3ec61Sdh #include "ip_compat.h"
25f4b3ec61Sdh #include "ip_fil.h"
26f4b3ec61Sdh #include "ip_nat.h"
27f4b3ec61Sdh #include "ip_frag.h"
28f4b3ec61Sdh #include "ip_state.h"
29f4b3ec61Sdh #include "ip_proxy.h"
30f4b3ec61Sdh #include "ip_auth.h"
31f4b3ec61Sdh #include "ip_lookup.h"
32f4b3ec61Sdh #include "ip_pool.h"
33f4b3ec61Sdh #include "ip_htable.h"
34f4b3ec61Sdh #include <net/radix.h>
35f4b3ec61Sdh #include <sys/neti.h>
36f4b3ec61Sdh #include <sys/hook.h>
37f4b3ec61Sdh 
38f4b3ec61Sdh /*
39f4b3ec61Sdh  * IPF stack instances
40f4b3ec61Sdh  */
41f4b3ec61Sdh struct ipf_stack {
42*7ddc9b1aSDarren Reed 	struct ipf_stack	*ifs_next;
43*7ddc9b1aSDarren Reed 	struct ipf_stack	**ifs_pnext;
44*7ddc9b1aSDarren Reed 	netid_t			ifs_netid;
45*7ddc9b1aSDarren Reed 	zoneid_t		ifs_zone;
46f4b3ec61Sdh 
47f4b3ec61Sdh 	/* ipf module */
48f4b3ec61Sdh 
49f4b3ec61Sdh 	filterstats_t		ifs_frstats[2];
50f4b3ec61Sdh 	frentry_t		*ifs_ipfilter[2][2];
51f4b3ec61Sdh 	frentry_t		*ifs_ipfilter6[2][2];
52f4b3ec61Sdh 	frentry_t		*ifs_ipacct6[2][2];
53f4b3ec61Sdh 	frentry_t		*ifs_ipacct[2][2];
54f4b3ec61Sdh #if 0 /* not used */
55f4b3ec61Sdh 	frentry_t		*ifs_ipnatrules[2][2];
56f4b3ec61Sdh #endif
57f4b3ec61Sdh 	frgroup_t		*ifs_ipfgroups[IPL_LOGSIZE][2];
58f4b3ec61Sdh 	int			ifs_fr_refcnt;
59f4b3ec61Sdh 	/*
60f4b3ec61Sdh 	 * For fr_running:
61f4b3ec61Sdh 	 * 0 == loading, 1 = running, -1 = disabled, -2 = unloading
62f4b3ec61Sdh 	 */
63f4b3ec61Sdh 	int			ifs_fr_running;
64f4b3ec61Sdh 	int			ifs_fr_flags;
65f4b3ec61Sdh 	int			ifs_fr_active;
66f4b3ec61Sdh 	int			ifs_fr_control_forwarding;
67f4b3ec61Sdh 	int			ifs_fr_update_ipid;
68f4b3ec61Sdh #if 0
69f4b3ec61Sdh 	ushort_t		ifs_fr_ip_id;
70f4b3ec61Sdh #endif
71f4b3ec61Sdh 	int			ifs_fr_chksrc;
72f4b3ec61Sdh 	int			ifs_fr_minttl;
73f4b3ec61Sdh 	int			ifs_fr_icmpminfragmtu;
74f4b3ec61Sdh 	int			ifs_fr_pass;
75f4b3ec61Sdh 	ulong_t			ifs_fr_frouteok[2];
76f4b3ec61Sdh 	ulong_t			ifs_fr_userifqs;
77f4b3ec61Sdh 	ulong_t			ifs_fr_badcoalesces[2];
78f4b3ec61Sdh 	uchar_t			ifs_ipf_iss_secret[32];
79f4b3ec61Sdh 	timeout_id_t		ifs_fr_timer_id;
80f4b3ec61Sdh #if 0
81f4b3ec61Sdh 	timeout_id_t		ifs_synctimeoutid;
82f4b3ec61Sdh #endif
83f4b3ec61Sdh 	int			ifs_ipf_locks_done;
84f4b3ec61Sdh 
85f4b3ec61Sdh 	ipftoken_t 		*ifs_ipftokenhead;
86f4b3ec61Sdh 	ipftoken_t 		**ifs_ipftokentail;
87f4b3ec61Sdh 
88f4b3ec61Sdh 	ipfmutex_t	ifs_ipl_mutex;
89f4b3ec61Sdh 	ipfmutex_t	ifs_ipf_authmx;
90f4b3ec61Sdh 	ipfmutex_t	ifs_ipf_rw;
91f4b3ec61Sdh 	ipfmutex_t	ifs_ipf_timeoutlock;
92f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_mutex;
93f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_global;
94f4b3ec61Sdh 	ipfrwlock_t	ifs_ip_poolrw;
95f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_frag;
96f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_state;
97f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_nat;
98f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_natfrag;
99f4b3ec61Sdh 	ipfmutex_t	ifs_ipf_nat_new;
100f4b3ec61Sdh 	ipfmutex_t	ifs_ipf_natio;
101f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_auth;
102f4b3ec61Sdh 	ipfmutex_t	ifs_ipf_stinsert;
103f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_ipidfrag;
104f4b3ec61Sdh 	ipfrwlock_t	ifs_ipf_tokens;
105f4b3ec61Sdh 	kcondvar_t	ifs_iplwait;
106f4b3ec61Sdh 	kcondvar_t	ifs_ipfauthwait;
107f4b3ec61Sdh 
108f4b3ec61Sdh 	ipftuneable_t	*ifs_ipf_tuneables;
109f4b3ec61Sdh 	ipftuneable_t	*ifs_ipf_tunelist;
110f4b3ec61Sdh 
111f4b3ec61Sdh 	/* ip_fil_solaris.c */
112*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook4_in;
113*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook4_out;
114*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook4_loop_in;
115*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook4_loop_out;
116*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook4_nicevents;
117*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook6_in;
118*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook6_out;
119*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook6_loop_in;
120*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook6_loop_out;
121*7ddc9b1aSDarren Reed 	hook_t		*ifs_ipfhook6_nicevents;
122f4b3ec61Sdh 
123f4b3ec61Sdh 	/* flags to indicate whether hooks are registered. */
124f4b3ec61Sdh 	boolean_t	ifs_hook4_physical_in;
125f4b3ec61Sdh 	boolean_t	ifs_hook4_physical_out;
126f4b3ec61Sdh 	boolean_t	ifs_hook4_nic_events;
127f4b3ec61Sdh 	boolean_t	ifs_hook4_loopback_in;
128f4b3ec61Sdh 	boolean_t	ifs_hook4_loopback_out;
129f4b3ec61Sdh 	boolean_t	ifs_hook6_physical_in;
130f4b3ec61Sdh 	boolean_t	ifs_hook6_physical_out;
131f4b3ec61Sdh 	boolean_t	ifs_hook6_nic_events;
132f4b3ec61Sdh 	boolean_t	ifs_hook6_loopback_in;
133f4b3ec61Sdh 	boolean_t	ifs_hook6_loopback_out;
134f4b3ec61Sdh 
135f4b3ec61Sdh 	int		ifs_ipf_loopback;
136*7ddc9b1aSDarren Reed 	net_handle_t	ifs_ipf_ipv4;
137*7ddc9b1aSDarren Reed 	net_handle_t	ifs_ipf_ipv6;
138f4b3ec61Sdh 
139f4b3ec61Sdh 	/* ip_auth.c */
140f4b3ec61Sdh 	int			ifs_fr_authsize;
141f4b3ec61Sdh 	int			ifs_fr_authused;
142f4b3ec61Sdh 	int			ifs_fr_defaultauthage;
143f4b3ec61Sdh 	int			ifs_fr_auth_lock;
144f4b3ec61Sdh 	int			ifs_fr_auth_init;
145f4b3ec61Sdh 	fr_authstat_t		ifs_fr_authstats;
146f4b3ec61Sdh 	frauth_t		*ifs_fr_auth;
147f4b3ec61Sdh 	mb_t			**ifs_fr_authpkts;
148f4b3ec61Sdh 	int			ifs_fr_authstart;
149f4b3ec61Sdh 	int			ifs_fr_authend;
150f4b3ec61Sdh 	int			ifs_fr_authnext;
151f4b3ec61Sdh 	frauthent_t		*ifs_fae_list;
152f4b3ec61Sdh 	frentry_t		*ifs_ipauth;
153f4b3ec61Sdh 	frentry_t		*ifs_fr_authlist;
154f4b3ec61Sdh 
155f4b3ec61Sdh 	/* ip_frag.c */
156f4b3ec61Sdh 	ipfr_t			*ifs_ipfr_list;
157f4b3ec61Sdh 	ipfr_t			**ifs_ipfr_tail;
158f4b3ec61Sdh 	ipfr_t			**ifs_ipfr_heads;
159f4b3ec61Sdh 
160f4b3ec61Sdh 	ipfr_t			*ifs_ipfr_natlist;
161f4b3ec61Sdh 	ipfr_t			**ifs_ipfr_nattail;
162f4b3ec61Sdh 	ipfr_t			**ifs_ipfr_nattab;
163f4b3ec61Sdh 
164f4b3ec61Sdh 	ipfr_t  		*ifs_ipfr_ipidlist;
165f4b3ec61Sdh 	ipfr_t  		**ifs_ipfr_ipidtail;
166f4b3ec61Sdh 	ipfr_t			**ifs_ipfr_ipidtab;
167f4b3ec61Sdh 
168f4b3ec61Sdh 	ipfrstat_t		ifs_ipfr_stats;
169f4b3ec61Sdh 	int			ifs_ipfr_inuse;
170f4b3ec61Sdh 	int			ifs_ipfr_size;
171f4b3ec61Sdh 
172f4b3ec61Sdh 	int			ifs_fr_ipfrttl;
173f4b3ec61Sdh 	int			ifs_fr_frag_lock;
174f4b3ec61Sdh 	int			ifs_fr_frag_init;
175f4b3ec61Sdh 	ulong_t			ifs_fr_ticks;
176f4b3ec61Sdh 
177f4b3ec61Sdh 	frentry_t		ifs_frblock;
178f4b3ec61Sdh 
179f4b3ec61Sdh 	/* ip_htable.c */
180f4b3ec61Sdh 	iphtable_t		*ifs_ipf_htables[IPL_LOGSIZE];
181f4b3ec61Sdh 	ulong_t			ifs_ipht_nomem[IPL_LOGSIZE];
182f4b3ec61Sdh 	ulong_t			ifs_ipf_nhtables[IPL_LOGSIZE];
183f4b3ec61Sdh 	ulong_t			ifs_ipf_nhtnodes[IPL_LOGSIZE];
184f4b3ec61Sdh 
185f4b3ec61Sdh 	/* ip_log.c */
186f4b3ec61Sdh 	iplog_t			**ifs_iplh[IPL_LOGSIZE];
187f4b3ec61Sdh 	iplog_t			*ifs_iplt[IPL_LOGSIZE];
188f4b3ec61Sdh 	iplog_t			*ifs_ipll[IPL_LOGSIZE];
189f4b3ec61Sdh 	int			ifs_iplused[IPL_LOGSIZE];
190f4b3ec61Sdh 	fr_info_t		ifs_iplcrc[IPL_LOGSIZE];
191f4b3ec61Sdh 	int			ifs_ipl_suppress;
192f4b3ec61Sdh 	int			ifs_ipl_buffer_sz;
193f4b3ec61Sdh 	int			ifs_ipl_logmax;
194f4b3ec61Sdh 	int			ifs_ipl_logall;
195f4b3ec61Sdh 	int			ifs_ipl_log_init;
196f4b3ec61Sdh 	int			ifs_ipl_logsize;
197f4b3ec61Sdh 
198f4b3ec61Sdh 	/* ip_lookup.c */
199f4b3ec61Sdh 	ip_pool_stat_t		ifs_ippoolstat;
200f4b3ec61Sdh 	int			ifs_ip_lookup_inited;
201f4b3ec61Sdh 
202f4b3ec61Sdh 	/* ip_nat.c */
203f4b3ec61Sdh 	/* nat_table[0] -> hashed list sorted by inside (ip, port) */
204f4b3ec61Sdh 	/* nat_table[1] -> hashed list sorted by outside (ip, port) */
205f4b3ec61Sdh 	nat_t			**ifs_nat_table[2];
206f4b3ec61Sdh 	nat_t			*ifs_nat_instances;
207f4b3ec61Sdh 	ipnat_t			*ifs_nat_list;
208f4b3ec61Sdh 	uint_t			ifs_ipf_nattable_sz;
209f4b3ec61Sdh 	uint_t			ifs_ipf_nattable_max;
210f4b3ec61Sdh 	uint_t			ifs_ipf_natrules_sz;
211f4b3ec61Sdh 	uint_t			ifs_ipf_rdrrules_sz;
212f4b3ec61Sdh 	uint_t			ifs_ipf_hostmap_sz;
213f4b3ec61Sdh 	uint_t			ifs_fr_nat_maxbucket;
214f4b3ec61Sdh 	uint_t			ifs_fr_nat_maxbucket_reset;
215f4b3ec61Sdh 	uint32_t		ifs_nat_masks;
216f4b3ec61Sdh 	uint32_t		ifs_rdr_masks;
217d6c23f6fSyx 	uint32_t		ifs_nat6_masks[4];
218d6c23f6fSyx 	uint32_t		ifs_rdr6_masks[4];
219f4b3ec61Sdh 	ipnat_t			**ifs_nat_rules;
220f4b3ec61Sdh 	ipnat_t			**ifs_rdr_rules;
221f4b3ec61Sdh 	hostmap_t		**ifs_maptable;
222f4b3ec61Sdh 	hostmap_t		*ifs_ipf_hm_maplist;
223f4b3ec61Sdh 
224f4b3ec61Sdh 	ipftq_t			ifs_nat_tqb[IPF_TCP_NSTATES];
225f4b3ec61Sdh 	ipftq_t			ifs_nat_udptq;
226f4b3ec61Sdh 	ipftq_t			ifs_nat_icmptq;
227f4b3ec61Sdh 	ipftq_t			ifs_nat_iptq;
228f4b3ec61Sdh 	ipftq_t			*ifs_nat_utqe;
229f4b3ec61Sdh 	int			ifs_nat_logging;
230f4b3ec61Sdh 	ulong_t			ifs_fr_defnatage;
231f4b3ec61Sdh 	ulong_t			ifs_fr_defnatipage;
232f4b3ec61Sdh 	ulong_t			ifs_fr_defnaticmpage;
233f4b3ec61Sdh 	natstat_t		ifs_nat_stats;
234f4b3ec61Sdh 	int			ifs_fr_nat_lock;
235f4b3ec61Sdh 	int			ifs_fr_nat_init;
2363805c50fSan 	uint_t			ifs_nat_flush_lvl_hi;
2373805c50fSan 	uint_t			ifs_nat_flush_lvl_lo;
2383805c50fSan 	ulong_t			ifs_nat_last_force_flush;
2393805c50fSan 	int			ifs_nat_doflush;
240f4b3ec61Sdh 
241f4b3ec61Sdh 	/* ip_pool.c */
242f4b3ec61Sdh 	ip_pool_stat_t		ifs_ipoolstat;
243f4b3ec61Sdh 	ip_pool_t		*ifs_ip_pool_list[IPL_LOGSIZE];
244f4b3ec61Sdh 
245f4b3ec61Sdh 	/* ip_proxy.c */
246f4b3ec61Sdh 	ap_session_t		*ifs_ap_sess_list;
247f4b3ec61Sdh 	aproxy_t		*ifs_ap_proxylist;
248f4b3ec61Sdh 	aproxy_t		*ifs_ap_proxies; /* copy of lcl_ap_proxies */
249f4b3ec61Sdh 
250f4b3ec61Sdh 	/* ip_state.c */
251f4b3ec61Sdh 	ipstate_t		**ifs_ips_table;
252f4b3ec61Sdh 	ulong_t			*ifs_ips_seed;
253f4b3ec61Sdh 	int			ifs_ips_num;
254f4b3ec61Sdh 	ulong_t			ifs_ips_last_force_flush;
255f4b3ec61Sdh 	ips_stat_t		ifs_ips_stats;
256f4b3ec61Sdh 
257f4b3ec61Sdh 	ulong_t			ifs_fr_tcpidletimeout;
258f4b3ec61Sdh 	ulong_t			ifs_fr_tcpclosewait;
259f4b3ec61Sdh 	ulong_t			ifs_fr_tcplastack;
260f4b3ec61Sdh 	ulong_t			ifs_fr_tcptimeout;
261f4b3ec61Sdh 	ulong_t			ifs_fr_tcpclosed;
262f4b3ec61Sdh 	ulong_t			ifs_fr_tcphalfclosed;
263f4b3ec61Sdh 	ulong_t			ifs_fr_udptimeout;
264f4b3ec61Sdh 	ulong_t			ifs_fr_udpacktimeout;
265f4b3ec61Sdh 	ulong_t			ifs_fr_icmptimeout;
266f4b3ec61Sdh 	ulong_t			ifs_fr_icmpacktimeout;
267f4b3ec61Sdh 	int			ifs_fr_statemax;
268f4b3ec61Sdh 	int			ifs_fr_statesize;
269f4b3ec61Sdh 	int			ifs_fr_state_doflush;
270f4b3ec61Sdh 	int			ifs_fr_state_lock;
271f4b3ec61Sdh 	int			ifs_fr_state_maxbucket;
272f4b3ec61Sdh 	int			ifs_fr_state_maxbucket_reset;
273f4b3ec61Sdh 	int			ifs_fr_state_init;
274f4b3ec61Sdh 	ipftq_t			ifs_ips_tqtqb[IPF_TCP_NSTATES];
275f4b3ec61Sdh 	ipftq_t			ifs_ips_udptq;
276f4b3ec61Sdh 	ipftq_t			ifs_ips_udpacktq;
277f4b3ec61Sdh 	ipftq_t			ifs_ips_iptq;
278f4b3ec61Sdh 	ipftq_t			ifs_ips_icmptq;
279f4b3ec61Sdh 	ipftq_t			ifs_ips_icmpacktq;
2801e6b25a4San 	ipftq_t			ifs_ips_deletetq;
281f4b3ec61Sdh 	ipftq_t			*ifs_ips_utqe;
282f4b3ec61Sdh 	int			ifs_ipstate_logging;
283f4b3ec61Sdh 	ipstate_t		*ifs_ips_list;
284f4b3ec61Sdh 	ulong_t			ifs_fr_iptimeout;
285f4b3ec61Sdh 
286f4b3ec61Sdh 	/* radix.c */
287f4b3ec61Sdh 	int			ifs_max_keylen;
288f4b3ec61Sdh 	struct radix_mask	*ifs_rn_mkfreelist;
289f4b3ec61Sdh 	struct radix_node_head	*ifs_mask_rnhead;
290f4b3ec61Sdh 	char			*ifs_addmask_key;
291f4b3ec61Sdh 	char			*ifs_rn_zeros;
292f4b3ec61Sdh 	char			*ifs_rn_ones;
293f4b3ec61Sdh #ifdef KERNEL
294f4b3ec61Sdh 	/* kstats for inbound and outbound */
295f4b3ec61Sdh 	kstat_t			*ifs_kstatp[2];
296f4b3ec61Sdh #endif
297f4b3ec61Sdh };
298f4b3ec61Sdh 
299f4b3ec61Sdh #endif	/* __IPF_STACK_H__ */
300